package demo04;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class AnnoAdvice {
    @Pointcut("execution(* com.dao.impl.UserDaoImol.*(..))")
    public void pointcut() {
    }
    @Before("pointcut()")
    public void before(JoinPoint joinPoint){
        System.out.println("这是前置通知");
        System.out.println("目标类是：+joinPoint.getTarget()");
        System.out.println("，被织入增强处理的目标方法为："+joinPoint.getSignature().getName());
    }
    @AfterReturning("pointcut()")
    public void afterReturning(JoinPoint joinPoint){
        System.out.println("这是返回通知");
        System.out.println("被织入增强处理的目标方法为："+joinPoint.getSignature().getName());
    }
    @Around("pointcut()")
    public Object around(ProceedingJoinPoint point) throws Throwable {
        System.out.println("这是环绕通知之前的部分");
        Object object = point.proceed();
        System.out.println("这是环绕通知之后的部分");
        return object;
    }
    @AfterThrowing("pointcut()")
    public void afterException(){
        System.out.println("这是异常通知");
    }
    @After("pointcut()")
    public void after(){
        System.out.println("这是后置通知");
    }
}
